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In the AWS Shared Responsibility Model, who is responsible for patching the GUEST OS on an EC2 instance?
AAWS, since they own the underlying physical hardware
BBoth AWS and the customer share OS patching duty
CThe customer, since they manage EC2 instances they launch
DNeither party, since OS patches are automated
Answer & Solution
Correct answer: C. The customer, since they manage EC2 instances they launch
EC2 is IaaS: AWS is responsible for the physical hardware + hypervisor; the CUSTOMER is responsible for the guest OS, including patching. In SaaS, the provider handles the OS.
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